Download Microsoft SQL Server 2014 (180-Days Trial)

Microsoft SQL Server 2014 is now available as a free download from MSDN Evaluation Center. This evaluation provides a 180-days trial of Microsoft SQL Server 2014.Overview
Microsoft SQL Server 2014 builds on the mission-critical capabilities delivered in the prior release by providing breakthrough performance, availability and manageability for your mission critical applications. SQL Server 2014 delivers new in-memory capabilities built into the core database for OLTP and data warehousing, which complement our existing in-memory data warehousing and BI capabilities for the most comprehensive in-memory database solution in the market.

SQL Server 2014 also provides new disaster recovery and backup solutions with Windows Azure, enabling customers to use their existing skills with the on-premises product offerings to take advantage of Microsoft’s global datacenters. In addition, SQL Server 2014 takes advantage of new Windows Server 2012 and Windows Server 2012 R2 capabilities to give you unparalleled scalability for your database application in a physical or virtual environment.

What's new in Microsoft SQL Server 2014?
Here are some of the key features of SQL Server 2014:

In-Memory Updateable ColumnStore: Provides higher compression, richer query support and updateability of the existing ColumnStore for data warehousing workloads giving you even faster load speed, query performance, concurrency, and even lower price per terabyte.
Extending Memory to SSDs: Seamlessly and transparently integrates solid-state storage into SQL Server by using SSDs as an extension to the database buffer pool, allowing more in-memory processing and reducing disk IO.

Extending Memory to SSDs: Seamlessly and transparently integrates solid-state storage into SQL Server by using SSDs as an extension to the database buffer pool, allowing more in-memory processing and reducing disk IO.

Enhanced High Availability:

New AlwaysOn features: Availability Groups now support up to 8 secondary replicas that remain available for reads at all times, even in the presence of network failures. Failover Cluster Instances now support Windows Cluster Shared Volumes, improving the utilization of shared storage and increasing failover resiliency.